/*
 * Copyright 2008 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.dopdf.document.request;

import org.dopdf.document.model.ResourceDetail;
import org.dopdf.io.JarResource;
import org.dopdf.io.JarResourcePathBuilder;
import org.dopdf.io.ResponseWriter;
import org.dopdf.utils.Constants;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

/**
 * The class that will process the request for all static resources in the application.
 *
 * @author Deep Shah
 */
public class StaticResourceRequestProcessor extends AbstractRegExBasedRequestProcessor {

    /**
     * {@inheritDoc}
     */
    public void process(final HttpServletRequest request, final HttpServletResponse response) {
        final ResourceDetail resourceData =
                new JarResource(new JarResourcePathBuilder(request)
                        .buildPath()).getResourceDetail();

        if (resourceData == null) return;

        new ResponseWriter(response).write(resourceData);
    }

    /**
     * {@inheritDoc}
     */
    @Override
    protected String getRegEx() {
        return Constants.Resource.STATIC_RESOURCE_PATTERN;
    }
}
